Seed Needs, Thumbelina Zinnia Mixture (Zinnia elegans) 250 Seeds Quality Zinnia seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Thumbelina mixture will produce dwarf plants that only grow to a mature height of roughly 8 to 12 inches tall. The blooms are semi-double and come in a range of colors, such as pink, purple, orange, yellow and white. The flowers themselves are only about an inch to an inch and a half in diameter. Thumbelina mixture will attract all sorts of beneficial insects to the garden, such as butterflies, bumblebees, honeybees and even hummingbirds as well. Categorized as an annual flowering plant, Thumbelina Zinnias will grow quickly from freshly harvested seeds. Later they will bloom and wilt with the first killing frost. Extend bloom time by deadheading. All Zinnia seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.